The King Steps Out (1936)

The film depicts the courtship of Princess Elisabeth of Bavaria (1837-1898), nicknamed "Sisi", by her cousin Franz Joseph I of Austria (1830-1916, reigned 1848-1916). The complication is that Franz Joseph was originally engaged to Elisabeth's older sister Duchess Helene in Bavaria (1834-1890), nicknamed "Néné". The film depicts events from 1852 to 1854.